The Fun Scale: Understanding Types of “Fun” | REI Co-op Journal:

Type 2 fun is miserable while it’s happening, but fun in retrospect. It usually begins with the best intentions, and then things get carried away. Riding your bicycle across the country. Doing an ultramarathon. Working out till you puke, and, usually, ice and alpine climbing. Also surely familiar to mothers, at least during childbirth and the dreaded teenage years.

Adventure = Clusterf**k + Nostalgia